8 oz. chourico or linguica sausage, cut into 1/2-inch pieces1 tablespoon olive oil1 medium onion, chopped1 tablespoon minced garlic1 bottle (12 oz.) Portuguese beer1 can (14.5 oz.) chicken or vegetable broth1 can (14 oz.) diced tomatoes8 oz. kale, ribs removed and thinly sliced2 pounds Alaska King Crab legs, frozen Salt (to taste)Pepper (to taste)